Polk's National Vehicle Population Profile (NVPP) is a census of all currently registered passenger cars and light-duty trucks in the United States, Canada and Puerto Rico. Polk's New Registration Data provides detailed indicators for new vehicle registrations. The following subsets of the NVPP and New Registration data were funded by Duke's Social Science Research Institute and licensed by Duke University Libraries for the use of current members of the Duke community.

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Polk New Registration Data (1999-2005) and NVPP by Segment

Polk New Vehicle Registration Data 2006

Polk New Vehicle Registration Data by Model for CYE 2001-2006 for Albuquerque MSA and Little Rock MSA

Polk National Vehicle Population Profile (NVPP) October 2006 (Includes NVPP Data for Albuquerque, NM MSA and Little Rock, AR MSA for 1999-2006)